{"id":333,"date":"2023-11-12T18:16:15","date_gmt":"2023-11-12T17:16:15","guid":{"rendered":"https:\/\/www.stpegashoney.co.uk\/?p=333"},"modified":"2023-11-12T18:30:08","modified_gmt":"2023-11-12T17:30:08","slug":"two-sugar-plus-oneish-water-equals-working-out-sugar-syrup-volumes","status":"publish","type":"post","link":"https:\/\/www.stpegashoney.co.uk\/?p=333","title":{"rendered":"Two sugar plus one(ish) water equals? Calculating sugar syrup volumes"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1327\" height=\"1024\" data-attachment-id=\"339\" data-permalink=\"https:\/\/www.stpegashoney.co.uk\/?attachment_id=339\" data-orig-file=\"https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168.jpg\" data-orig-size=\"2018,1557\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.78&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 14 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1699714930&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6.86&quot;,&quot;iso&quot;:&quot;160&quot;,&quot;shutter_speed&quot;:&quot;0.02&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Sugar and boiler\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;25kg and 12.5 litres just doesn&amp;#8217;t fit!&lt;\/p&gt;\n\" data-large-file=\"https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168-1327x1024.jpg\" src=\"https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168-1327x1024.jpg\" alt=\"\" class=\"wp-image-339\" srcset=\"https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168-1327x1024.jpg 1327w, https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168-300x231.jpg 300w, https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168-768x593.jpg 768w, https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168-1536x1185.jpg 1536w, https:\/\/www.stpegashoney.co.uk\/wp-content\/uploads\/2023\/11\/IMG_1656-scaled-e1699808912168.jpg 2018w\" sizes=\"auto, (max-width: 1327px) 100vw, 1327px\" \/><figcaption class=\"wp-element-caption\">25kg sugar and 12.5 litres of water just doesn&#8217;t fit!<\/figcaption><\/figure>\n\n\n\n<p>It&#8217;s over now, but the last few months I&#8217;ve been making up large amounts of sugar syrup to feed the bees for the winter.  This year I bought in bulk 25kg bags of sugar from my local Booker wholesaler, whereas in previous years it has often been cheaper to buy in from a local supermarket.  <\/p>\n\n\n\n<p>In the autumn the usual recommendation is that we feed a &#8220;thick&#8221; syrup, of roughly 2 parts sugar by 1 part water (weight for weight).  This feeding is designed to help the bees survive the winter and is only fair after I&#8217;ve taken a honey crop.  <\/p>\n\n\n\n<p>My general technique for making the syrup is to heat the water to boiling then add the sugar, turn off the heat and stir until dissolved.  Sometimes I&#8217;ll add slightly more water than the recipe to make it easier to get the sugar to dissolve.<\/p>\n\n\n\n<p>I&#8217;m always left with the same question, how much syrup will it make?  If I mix say 25kg of sugar with 12.5 litres of water how much syrup will it yield? I know as it dissolves the volume of the water increases, so it&#8217;s going to be more than 12.5 litres, and I know it&#8217;s going to be less than 37.5 litres (as it doesn&#8217;t go up by a whole litre per kilo)!<\/p>\n\n\n\n<p>You&#8217;re probably asking why I care, there are two reasons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>I treat my sugar syrup with thymol to stop it going mouldy.  Feeding often extends over a period of weeks, in Setpember and October, and without the thymol the syrup can go mouldy\/ferment.  As per National Bee Unit Guidance (<a href=\"https:\/\/www.nationalbeeunit.com\/assets\/PDFs\/3_Resources_for_beekeepers\/Best_practice_guidelines\/BPG_7a_Feeding_Bees_-_sugar.pdf\" data-type=\"link\" data-id=\"https:\/\/www.nationalbeeunit.com\/assets\/PDFs\/3_Resources_for_beekeepers\/Best_practice_guidelines\/BPG_7a_Feeding_Bees_-_sugar.pdf\">here<\/a>), this requires a certain dosage per litre of syrup (2.5ml to 4.5l in that case).  So knowing how much syrup is produced is essential for this.<\/li>\n\n\n\n<li>I&#8217;d like to know it&#8217;ll fit in the stainless steel pot I use for mixing, as I know from bitter experience boiling up 12.5 litres of water and then adding 25kg of sugar doesn&#8217;t fit in my 30 litre pot, so what will &#8230;.<\/li>\n<\/ul>\n\n\n\n<p> Anyway, it seems I&#8217;m not the only one.  Others have asked the same questions on the usual forums (e.g. <a href=\"https:\/\/beekeepingforum.co.uk\/threads\/what-is-the-formula-for-calculating-how-much-sugar-sugar-syrup-contains.31701\/\">https:\/\/beekeepingforum.co.uk\/threads\/what-is-the-formula-for-calculating-how-much-sugar-sugar-syrup-contains.31701\/<\/a>) and frankly if you can understand the answer from this thread then well done!<\/p>\n\n\n\n<p>So, I decided to research the issue, found some really helpful information over at Vinolab (<a href=\"https:\/\/www.vinolab.hr\/calculator\/gravity-density-sugar-conversions-en19\" data-type=\"link\" data-id=\"https:\/\/www.vinolab.hr\/calculator\/gravity-density-sugar-conversions-en19\">here<\/a>) and after a bit of head scratching managed to make sense of it.  I&#8217;ve then set it up as a calculator below.<\/p>\n\n\n\n<p>Use at your own risk etc, but in case it is of use.<\/p>\n\n\n\n<p>To use the calculator:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Enter the amount of sugar you would like to use<\/li>\n\n\n\n<li>Select a syrup thickness, or custom to define your own amount of water<\/li>\n\n\n\n<li>The yield of syrup is given at the bottom<\/li>\n<\/ol>\n\n\n\n<style>@media (max-width:480px){#cp_calculatedfieldsf_pform_1{min-height:1869px;}}@media (max-width:768px){#cp_calculatedfieldsf_pform_1{min-height:820px;}}@media (max-width:1024px){#cp_calculatedfieldsf_pform_1{min-height:706px;}}@media (min-width:1024px){#cp_calculatedfieldsf_pform_1{min-height:740px;}}<\/style><form name=\"cp_calculatedfieldsf_pform_1\" id=\"cp_calculatedfieldsf_pform_1\" action=\"https:\/\/www.stpegashoney.co.uk\/?p=333\" method=\"post\" enctype=\"multipart\/form-data\" onsubmit=\"return fbuilderjQuery.fbuilder.doValidate(this);\" class=\"cff-form no-prefetch  cff-form-6 cp_cff_13\"  dir=\"ltr\" data-nonce=\"b2faba6fb9\">\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_pform_psequence\" value=\"_1\" \/>\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_id\" value=\"6\" \/>\n<input type=\"hidden\" name=\"cp_ref_page\" value=\"https:\/\/www.stpegashoney.co.uk\" \/>\n<pre style=\"display:none !important;\"><script data-category=\"functional\" type=\"text\/javascript\">form_structure_1=[[{\"form_identifier\":\"\",\"name\":\"fieldname2\",\"shortlabel\":\"\",\"index\":0,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"audiotutorial\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Amount of sugar (kg):\",\"predefined\":\"5\",\"predefinedClick\":false,\"required\":false,\"exclude\":false,\"readonly\":false,\"numberpad\":false,\"spinner\":false,\"size\":\"medium\",\"prefix\":\"\",\"postfix\":\"\",\"thousandSeparator\":\"\",\"decimalSymbol\":\".\",\"min\":\"\",\"max\":\"\",\"step\":\"\",\"formatDynamically\":false,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\",\"percent\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname8\",\"shortlabel\":\"\",\"index\":1,\"ftype\":\"fradio\",\"userhelp\":\"\",\"audiotutorial\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Select a Choice\",\"layout\":\"one_column\",\"required\":true,\"exclude\":false,\"readonly\":false,\"toSubmit\":\"text\",\"choiceSelected\":\"2:1 (Thick Syrup) - 0.5\",\"showDep\":true,\"untickAccepted\":true,\"onoff\":0,\"choices\":[\"1:1 (Thin syrup)\",\"2:1 (Thick 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produced.\",\"audiotutorial\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Results below\",\"fBuild\":{},\"parent\":\"\"},{\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"form_identifier\":\"\",\"name\":\"fieldname9\",\"shortlabel\":\"\",\"index\":4,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"audiotutorial\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Water 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solids (kg per litre):\",\"predefined\":\"\",\"required\":false,\"exclude\":false,\"size\":\"medium\",\"eq\":\"fieldname1*10*fieldname5\\\/1000\",\"min\":\"\",\"max\":\"\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"readonly\":true,\"currency\":false,\"noEvalIfManual\":true,\"formatDynamically\":false,\"dynamicEval\":true,\"hidefield\":true,\"validate\":false,\"fBuild\":{},\"parent\":\"\"},{\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"form_identifier\":\"\",\"name\":\"fieldname4\",\"shortlabel\":\"\",\"index\":9,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"audiotutorial\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Yield of syrup (litres):\",\"predefined\":\"\",\"required\":false,\"exclude\":false,\"size\":\"medium\",\"eq\":\"PREC(fieldname9\\\/fieldname6,2)\",\"min\":\"\",\"max\":\"\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"readonly\":true,\"currency\":false,\"noEvalIfManual\":true,\"formatDynamically\":false,\"dynamicEval\":true,\"hidefield\":false,\"validate\":false,\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname13\",\"shortlabel\":\"\",\"index\":10,\"ftype\":\"fCommentArea\",\"userhelp\":\"Thanks to Vinolab for finally helping me to understand how to work out volumes from the data I had!  Info driving this calculator - https:\\\/\\\/www.vinolab.hr\\\/calculator\\\/gravity-density-sugar-conversions-en19\",\"audiotutorial\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Source and thanks:\",\"fBuild\":{},\"parent\":\"\"}],{\"0\":{\"title\":\"Syrup calculator\",\"description\":\"Calculates the volume of syrup yielded from a specific mix of sugar and water.  Simply select the amount of sugar and then either the standard or a custom mix\",\"formlayout\":\"top_aligned\",\"formtemplate\":\"cp_cff_13\",\"evalequations\":1,\"evalequations_delay\":0,\"evalequationsevent\":2,\"direction\":\"ltr\",\"loading_animation\":0,\"autocomplete\":1,\"persistence\":0,\"animate_form\":0,\"animation_effect\":\"fade\",\"customstyles\":\"\"},\"formid\":\"cp_calculatedfieldsf_pform_1\"}];<\/script><\/pre>\n<div id=\"fbuilder\">\n\t\t<div id=\"fbuilder_1\">\n\t\t<div id=\"formheader_1\"><\/div>\n\t\t<div id=\"fieldlist_1\"><\/div>\n\t\t<div class=\"clearer\"><\/div>\n\t<\/div>\n<\/div>\n\t<div id=\"cp_subbtn_1\" class=\"cp_subbtn\" style=\"display:none;\"><\/div><div class=\"clearer\"><\/div>\n\t<input type=\"hidden\" id=\"_cpcff_public_nonce\" name=\"_cpcff_public_nonce\" value=\"27245c22fa\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F333\" \/><input type=\"hidden\" name=\"cff_form_start_time\" value=\"PlfJyIOJttLqMhVcNh1AbQ==\"><\/form>\n\t\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s over now, but the last few months I&#8217;ve been making up large amounts of sugar syrup to feed the bees for the winter. 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